Product Overview
High Loft Synthetic HVAC Air Filter Media is a premium-grade filtration material engineered specifically for commercial and industrial air handling systems. This media is constructed using advanced melt-blown and spun-bond technology, creating a three-dimensional non-woven structure that delivers exceptional mechanical filtration performance. The high loft design provides increased void volume, allowing for superior dust holding capacity while maintaining low pressure drop across the filter.
According to the EN 779 standard, this medium meets the requirements of efficiency levels G2 to G4. It is an ideal choice for the pre-filtering stage of HVAC, AHU and cleanroom pressurization systems. Its synthetic material ensures stable performance under different humidity and temperature conditions, making it an ideal choice for facility managers seeking cost-effective air quality control.
| Main material | Polyester fiber(PET) |
| Filtration class | G2,G3,G4(EN779) |
| Filter object | ≥5um coarse dust |
| Final resistance | 250Pa |
| Average weight efficiency | 95%(ASHRAE52.1-1992) |
| Flammability rating | F1(DIN 53438),B1(GB/T 17591-2006) |
| Dust holding capacity | 400g/㎡, 500g/㎡, 600g/㎡, |
| Temperature resistance | 100℃ |
| Temp.short peak | 120℃ |
| Humidity resistance | 100% |
Product Features
High Loft Synthetic HVAC Air Filter Media distinguishes itself through a combination of structural durability and operational efficiency, delivering consistent G2-G4 performance across diverse ventilation scenarios.
Progressive Density Structure: The media features a gradient fiber layering design, with coarser fibers on the upstream face and finer fibers downstream. This configuration maximizes dust storage capacity and extends service life.
Low Initial Pressure Drop: At rated airflow, the media exhibits resistance as low as 25 Pa at G2 level and 45 Pa at G4 level, reducing fan energy consumption and operational costs.
High Dust Holding Capacity: Laboratory tests demonstrate capacity exceeding 400 g/m² at G4 level, minimizing filter replacement frequency.
Moisture & Microbial Resistance: The fully synthetic substrate resists water absorption, preventing fiber degradation and inhibiting mold growth in humid AHU environments.
Non-Shedding Construction: Thermally bonded fibers eliminate the risk of media migration, protecting downstream coils and sensitive equipment from contamination.
Product Applications
High Loft Synthetic HVAC Air Filter Media is widely deployed across commercial, institutional, and light-industrial air handling systems, where reliable G2-G4 pre-filtration is required to protect downstream components and indoor air quality.
Commercial Building HVAC Systems: Offices, shopping malls, hotels — captures airborne lint, dust, and pollen before they enter occupied zones.
Industrial AHU Pre-Filtration: Manufacturing plants, warehouses — extends service life of higher-grade final filters by removing coarse particulate burden.
Data Center Cooling Units: Protects server cooling coils from fibrous debris and construction dust during facility operation.
Hospital & Healthcare Ventilation: Serves as the primary stage in multi-stage filtration trains, reducing burden loading on HEPA/ULPA stages.
Transportation Hubs: Airports, subway stations — handles high-volume outdoor air intake with minimal maintenance intervention.
